* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
button, input {
  outline: none;
  border: none;
}
ul {
  list-style: none;
}
img {
  vertical-align: top;
}
a {
  text-decoration: none;
  color: #333;
}
body {
  min-width: 1200px;
  color: #333;
  background-color: #F5F5F5;
  font: 12px/1.6 tahoma,arial,sans-serif;
}
//版心
.w {
  width: 1190px;
  margin: 0 auto;
}
.w2 {
  width: 1200px;
  margin: 0 auto;
}
//万能清浮动
.clearfix::before,
.clearfix::after {
  content: '';
  display: table;
  clear: both;
}
.fl {
  float: left;
}
.fr {
  float: right;
}
html::-webkit-scrollbar {
  width: 10px;
  border-radius: 5px;
}
html::-webkit-scrollbar-thumb {
  background-color: rgba(0,0,0,.3);
  border-radius: 5px;
}
html::-webkit-scrollbar-track {
  background-color: #ddd;
  border-radius: 5px;
}